/*
 * This file contains code from "C++ Primer, Fourth Edition", by Stanley B.
 * Lippman, Jose Lajoie, and Barbara E. Moo, and is covered under the
 * copyright and warranty notices given in that book:
 *
 * "Copyright (c) 2005 by Objectwrite, Inc., Jose Lajoie, and Barbara E. Moo."
 *
 *
 * "The authors and publisher have taken care in the preparation of this book,
 * but make no expressed or implied warranty of any kind and assume no
 * responsibility for errors or omissions. No liability is assumed for
 * incidental or consequential damages in connection with or arising out of the
 * use of the information or programs contained herein."
 *
 * Permission is granted for this code to be used for educational purposes in
 * association with the book, given proper citation if and when posted or
 * reproduced.Any commercial use of this code requires the explicit written
 * permission of the publisher, Addison-Wesley Professional, a division of
 * Pearson Education, Inc. Send your request for permission, stating clearly
 * what code you would like to use, and in what specific way, to the following
 * address:
 *
 *  Pearson Education, Inc.
 *  Rights and Contracts Department
 *  75 Arlington Street, Suite 300
 *  Boston, MA 02216
 *  Fax: (617) 848-7047
*/

#include "algs_preamble.h"
#include <ctime>

int main()
{
	vector<int> scores;

	// populate with random values
	for (vector<int>::size_type i =  0; i != 10; ++i)
		scores.push_back(rand());
	// print what we got
	for (vector<int>::size_type i =  0; i != 10; ++i)
		cout << scores[i] << " ";
	cout << endl;

	// put top 3 scorse at the front of the vector
	partial_sort(scores.begin(),
				 scores.begin() + 3, scores.end());

	// use nth_element to find the median score
	nth_element(scores.begin(),
				scores.begin() + scores.size() / 2, scores.end());

	cout << "median value " << *(scores.begin() + scores.size() / 2) << endl;
	for (vector<int>::size_type i =  0; i != 10; ++i)
		cout << scores[i] << " ";
	cout << endl;
}
